Home / 11,719.51-16,173.98-6,685.31

Finding the Fourth Proportional to 11,719.51, 16,173.98 and 6,685.31

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Solution

The fourth proportional to 11,719.51, 16,173.98 and 6,685.31 is: 9,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.51 : 16,173.98 = 6,685.31 : x
  2. Step 2: Convert to fraction form
    11,719.51/16,173.98 = 6,685.31/x
  3. Step 3: Cross multiply
    11,719.51x = 16,173.98 × 6,685.31
  4. Step 4: Simplify right side
    11,719.51x = 108,128,056.82
  5. Step 5: Solve for x
    x = 108,128,056.82/11,719.51
  6. Step 6: Final answer
    x = 9,226.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.